DATA SEGMENT
    INFO DB 0DH,0AH,20H,50,53,'$'
DATA ENDS

CODE SEGMENT
    ASSUME DS:DATA,CS:CODE
START:
    MOV AX,DATA
    MOV DS,AX
    
    LEA SI,INFO
    ADD SI,2
    MOV AL,[SI]
    ADD AL,0CH
    MOV [SI],AL
    
    
    LEA DX,INFO
    MOV AH,9
    INT 21H
    
    MOV AH,4CH   
    INT 21H
CODE ENDS
    END START